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Suraev suraev at alumni.ntnu.no07.12.2015 09:25, Holger Freyther пишет: > > epoll. We avoid transferring FD set to the kernel all the time (and arming > them in the driver). But I assume the bigger cost of to user is the indications > we copy from the DSP to userspace. > > There's interestingly looking wrapper around epoll: http://0pointer.net/blog/introducing-sd-event.html Not sure if it would cover dsp2userspace transfers though. cheers, Max.